Soft Material Seal With Surround

Patent No. EP3290754 (titled "Soft Material Seal With Surround") was filed by Frenzelit on Aug 30, 2016. The application was issued on Jun 14, 2023.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
SGL CARBON	Mar 12, 2024	-
SCHURACK	Mar 11, 2024	HOFSTETTER

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Sep 30, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Sep 30, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 30, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 26, 2025
Annex to the communication - opposition
Jun 26, 2025
Brief communication - Opposition proceedings
Jun 26, 2025
Brief communication - Opposition proceedings
Jun 26, 2025
Brief communication - Opposition proceedings
Jun 26, 2025
Decision of the Opposition Division and instruction
Jun 26, 2025
Decision rejecting the opposition
Jun 26, 2025
Decision rejecting the opposition
Jun 26, 2025
Decision rejecting the opposition
Jun 26, 2025
Grounds for the decision (Annex) - opposition
Jun 26, 2025
Means of redress
Jun 26, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 26, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 26, 2025
Provision of a copy of the minutes - opposition procedure
Jun 26, 2025
Provision of a copy of the minutes - opposition procedure
Jun 26, 2025
Provision of a copy of the minutes - opposition procedure
Jun 4, 2025
Information about the result of oral proceedings
May 20, 2025
Brief communication - Opposition proceedings
May 20, 2025
Brief communication - Opposition proceedings
May 15, 2025
(Electronic) Receipt
May 15, 2025
Letter accompanying subsequently filed items
May 15, 2025
Written submission in preparation to/during oral proceedings
May 6, 2025
Brief communication - Opposition proceedings
May 6, 2025
Brief communication - Opposition proceedings
Apr 25, 2025
(Electronic) Receipt
Apr 25, 2025
Letter accompanying subsequently filed items
Apr 25, 2025
Written submission in preparation to/during oral proceedings
Apr 24, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
Brief communication - Opposition proceedings
Apr 9, 2025
Brief communication - Opposition proceedings
Apr 9, 2025
Brief communication - Opposition proceedings
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure - 08
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Request for interpreters during oral proceedings
Apr 4, 2025
Written submission in preparation to/during oral proceedings
Apr 4, 2025
Written submission in preparation to/during oral proceedings
Mar 25, 2025
Brief communication - Opposition proceedings
Mar 25, 2025
Brief communication - Opposition proceedings
Mar 20, 2025
(Electronic) Receipt
Mar 20, 2025
Letter accompanying subsequently filed items
Mar 20, 2025
Written submission in preparation to/during oral proceedings
Nov 6, 2024
Annex to the communication - opposition
Nov 6, 2024
Information concerning oral proceedings
Nov 6, 2024
Scanned annex to a communication - opposition procedure
Nov 6, 2024
Summons to attend oral proceedings
Nov 6, 2024
Summons to attend oral proceedings
Nov 6, 2024
Summons to attend oral proceedings
Jul 30, 2024
Brief communication - Opposition proceedings
Jul 30, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
(Electronic) Receipt
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure
Jul 23, 2024
Auxiliary request during Opposition procedure - 01
Jul 23, 2024
Auxiliary request during Opposition procedure - 02
Jul 23, 2024
Auxiliary request during Opposition procedure - 03
Jul 23, 2024
Auxiliary request during Opposition procedure - 04
Jul 23, 2024
Auxiliary request during Opposition procedure - 05
Jul 23, 2024
Auxiliary request during Opposition procedure - 06
Jul 23, 2024
Auxiliary request during Opposition procedure - 07
Jul 23, 2024
Letter accompanying subsequently filed items
Jul 23, 2024
Main request during Opposition procedure
Jul 23, 2024
Reply of the patent proprietor to the notice(s) of opposition
Mar 27, 2024
Communication of a notice of opposition and request to file observations
Mar 27, 2024
Notice of further oppositions to opponent(s)
Mar 27, 2024
Notice of further oppositions to opponent(s)
Mar 18, 2024
Communication of a notice of opposition - first information to patent proprietor
Mar 18, 2024
Communication of a notice of opposition - first information to patent proprietor
Mar 12, 2024
(Electronic) Receipt
Mar 12, 2024
Citation in opposition procedure - 001
Mar 12, 2024
Citation in opposition procedure - 002
Mar 12, 2024
Citation in opposition procedure - 007
Mar 12, 2024
Citation in opposition procedure - 008
Mar 12, 2024
Citation in opposition procedure - 009
Mar 12, 2024
Citation in opposition procedure - 010
Mar 12, 2024
Citation in opposition procedure - 011
Mar 12, 2024
Citation in opposition procedure - 012
Mar 12, 2024
Citation in opposition procedure - 013
Mar 12, 2024
Citation in opposition procedure - 014
Mar 12, 2024
Consolidated list of cited opposition documents
Mar 12, 2024
Notice of opposition
Mar 12, 2024
Notice of opposition
Mar 11, 2024
(Electronic) Receipt
Mar 11, 2024
Citation in opposition procedure - 001
Mar 11, 2024
Citation in opposition procedure - 002
Mar 11, 2024
Citation in opposition procedure - 003
Mar 11, 2024
Citation in opposition procedure - 004
Mar 11, 2024
Citation in opposition procedure - 005
Mar 11, 2024
Citation in opposition procedure - 005
Mar 11, 2024
Citation in opposition procedure - 006
Mar 11, 2024
Notice of opposition
Mar 11, 2024
Notice of opposition
Jun 27, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 19, 2023
Decision to grant a European patent
May 17, 2023
Communication for party to proceedings/third party
May 10, 2023
(Electronic) Receipt
May 10, 2023
English translation of the claims
May 10, 2023
French translation of claims
May 10, 2023
Letter accompanying subsequently filed items
May 10, 2023
Request for delayed grant (upcoming introduction of UPP)
Jan 12, 2023
Annex to the communication about intention to grant a European patent
Jan 12, 2023
Bibliographic data of the European patent application
Jan 12, 2023
Communication about intention to grant a European patent
Jan 12, 2023
Intention to grant (signatures)
Jan 12, 2023
Text intended for grant (clean copy)
Jan 12, 2023
Text intended for grant (version for approval)
Nov 3, 2022
Notification concerning the date of oral proceedings
Oct 31, 2022
Annex to the communication
Oct 31, 2022
Consultation by telephone/in person
Oct 31, 2022
Result of consultation by telephone/in person
Oct 21, 2022
(Electronic) Receipt
Oct 21, 2022
Amended claims with annotations
Oct 21, 2022
Amended description with annotations
Oct 21, 2022
Amended description with annotations
Oct 21, 2022
Amended description with annotations
Oct 21, 2022
Claims
Oct 21, 2022
Description
Oct 21, 2022
Description
Oct 21, 2022
Description
Oct 21, 2022
Letter accompanying subsequently filed items
Oct 21, 2022
Written submission in preparation to/during oral proceedings
Sep 30, 2022
(Electronic) Receipt
Sep 30, 2022
Amended claims with annotations
Sep 30, 2022
Amended claims with annotations
Sep 30, 2022
Claims
Sep 30, 2022
Claims
Sep 30, 2022
Letter accompanying subsequently filed items
Sep 30, 2022
Written submission in preparation to/during oral proceedings
Jun 8, 2022
Advice of delivery
Jun 7, 2022
Acknowledgement of a document
Jun 7, 2022
Annex to the communication
Jun 7, 2022
Summons to attend oral proceedings
Dec 31, 2021
Document concerning representation
Dec 1, 2021
Letter filed during examination procedure after communication from the Examining Division
Dec 1, 2021
Non-patent literature cited during the examination procedure
Dec 1, 2021
Non-patent literature cited during the examination procedure
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
Amended claims with annotations
Nov 19, 2021
Amended claims with annotations
Nov 19, 2021
Amended claims with annotations
Nov 19, 2021
Amended claims with annotations
Nov 19, 2021
Amended claims with annotations
Nov 19, 2021
Claims
Nov 19, 2021
Claims
Nov 19, 2021
Claims
Nov 19, 2021
Claims
Nov 19, 2021
Claims
Nov 19, 2021
Letter accompanying subsequently filed items
Nov 19, 2021
Reply to communication from the Examining Division
Jul 30, 2021
Annex to the communication
Jul 30, 2021
Communication from the Examining Division
Jul 14, 2021
Acknowledgement of receipt of third party observations
Jul 14, 2021
Transmittal of third party observations to applicant
Jul 9, 2021
Non-patent literature filed by a third party
Jul 9, 2021
Non-patent literature filed by a third party
Jul 9, 2021
Non-patent literature filed by a third party
Jul 9, 2021
Observations by third parties
Jul 9, 2021
Patent document filed by a Third party
May 6, 2021
(Electronic) Receipt
May 6, 2021
Amended claims with annotations
May 6, 2021
Amended claims with annotations
May 6, 2021
Claims
May 6, 2021
Claims
May 6, 2021
Letter accompanying subsequently filed items
May 6, 2021
Reply to communication from the Examining Division
Mar 17, 2021
Grant of extension of time limit (examination procedure)
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
Request for extension of time limit to communication from the Examining Division
Jan 20, 2021
Annex to the communication
Jan 20, 2021
Consultation by telephone/in person (with time limit)
Jan 20, 2021
Result of consultation by telephone/in person
Sep 22, 2020
Acknowledgement of receipt of third party observations
Sep 22, 2020
Transmittal of third party observations to applicant
Sep 16, 2020
Citation filed by a third party
Sep 16, 2020
Observations by third parties
Sep 16, 2020
Observations by third parties
Sep 7, 2020
Annex to the communication
Sep 7, 2020
Consultation by telephone/in person
Sep 7, 2020
Result of consultation by telephone/in person
Apr 7, 2020
Acknowledgement of receipt of third party observations
Apr 7, 2020
Transmittal of third party observations to applicant
Mar 31, 2020
Citation filed by a third party
Mar 31, 2020
Citation filed by a third party
Mar 31, 2020
Non-patent literature filed by a third party
Mar 31, 2020
Observations by third parties
Jan 17, 2020
(Electronic) Receipt
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended description with annotations
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Description
Jan 17, 2020
Letter accompanying subsequently filed items
Jan 17, 2020
Reply to communication from the Examining Division
Jan 13, 2020
Document concerning representation
Sep 26, 2019
Annex to the communication
Sep 26, 2019
Communication from the Examining Division
Sep 20, 2019
Examination started
Jul 24, 2019
Acknowledgement of receipt of third party observations
Jul 24, 2019
Transmittal of third party observations to applicant
Jul 19, 2019
(Electronic) Receipt
Jul 19, 2019
Letter accompanying subsequently filed items
Jul 19, 2019
Observations by third parties
Jul 19, 2019
Patent document filed by a Third party
Jul 19, 2019
Patent document filed by a Third party
Jul 19, 2019
Patent document filed by a Third party
Jul 19, 2019
Patent document filed by a Third party
Jul 19, 2019
Patent document filed by a Third party
Jul 19, 2019
Patent document filed by a Third party
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Amended claims filed after receipt of (European) search report
Aug 23, 2018
Amended claims with annotations
Aug 23, 2018
Amended description filed after receipt of (European) search report
Aug 23, 2018
Amended description with annotations
Aug 23, 2018
Amendments received before examination
Aug 23, 2018
Letter accompanying subsequently filed items
May 3, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 6, 2018
(Electronic) Receipt
Apr 6, 2018
Annexes in respect of a client data request
Apr 6, 2018
Annexes in respect of a client data request
Apr 6, 2018
Annexes in respect of a client data request
Apr 6, 2018
Submission concerning change of applicant's name
Mar 12, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Feb 7, 2018
Notification of forthcoming publication
Feb 15, 2017
Communication regarding the transmission of the European search report
Feb 15, 2017
European search opinion
Feb 15, 2017
European search report
Feb 15, 2017
Information on Search Strategy
Feb 2, 2017
Search started
Oct 21, 2016
Communication to designated inventor
Oct 21, 2016
Communication to designated inventor
Aug 30, 2016
Abstract
Aug 30, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 30, 2016
Claims
Aug 30, 2016
Description
Aug 30, 2016
Designation of inventor
Aug 30, 2016
Drawings
Aug 30, 2016
Request for grant of a European patent

EP3290754

FRENZELIT

Application Number: EP16186400A
Filing Date: Aug 30, 2016
Status: Opposition Rejected; Sep 26, 2025
Publication Date: Jun 14, 2023
External Links: Slate, Register , Google Patents

IP Verse

Soft Material Seal With Surround

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3290754